pH Test Strips 4.5 - 9.0 (DOUBLE PACK) for Urine & Saliva

Price:£17.98£12.99Save: 28% off
5 out of 5 stars Friday 24 February, 2017 By P Nixon
These are a first class product. They perform as stated.
I will carry on using this product for many more years,
very simple test to provides all the info within seconds.